On Wed, Jun 22, 2011 at 12:57:43AM +0900, OGAWA Hirofumi wrote: > Christoph Hellwig <h...@infradead.org> writes: > > > Add a new rw_semaphore to protect bmap against truncate. Previous > > i_alloc_sem was abused for this, but it's going away in this series. > > In FAT case, ->i_mutex was better. But, last time I saw, shmfs was using > ->i_mutex to call ->bmap. So, this was chosen instead. > > I'm not checking current version yet though, if shmfs had change, we can > use ->i_mutex.
I tried that first, but it gives an instant deadlock when using a swapfile on fat. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
